CLIENTS ABOUT US

Our clients' trust is the best assessment of our work. Below are letters of recommendation and references from companies for which Technical Audit carried out technical control and production inspection of mining equipment. All documents are published in their original form — on company letterhead, with stamps and signatures.

Original documents with stamps and signatures
Original PDF Letter of recommendation — China Coul Group (Sadkinskoye Mine Management project) View original

China Coul Group

Sadkinskoye Mine Management project · technical inspection of mining equipment · 2025–2026

«During the project, Technical Audit demonstrated a high level of professionalism and ensured independent quality control at all stages of the project… China Coul Group rates the cooperation positively and recommends Technical Audit as a reliable partner in the field of technical inspection of mining equipment».

Original PDF Osinnikovskaya Mine View original

Osinnikovskaya Mine

Raspadskaya Group · Letter of recommendation · 2025–2026

Throughout our cooperation, Technical Audit demonstrated a high level of professional competence, reliability and responsiveness… We recommend the company as a dependable and competent partner in technical inspection.

Original PDF China Coul Group View original

China Coul Group

Audit of powered roof support ZY6500/10/21D · 21.11.2024

Technical Audit's specialists proved to be experienced experts with a deep understanding of longwall equipment manufacturing. The service was performed in accordance with the requirements, properly and on time.

Original PDF Xi'an Mining Machinery View original

Xi'an Mining Machinery

Production control of MG400, MG500 shearers

Technical Audit's inspectors proved to be experienced specialists with a deep understanding of the mining equipment manufacturing process.

Original PDF Eickhoff Siberia View original

Eickhoff Siberia

Technical inspections during the supply of spare parts for PGR, Chloppy, CCTEG conveyors

Technical Audit performed technical inspections for our company during the supply of spare parts for PGR, Chloppy, CCTEG conveyors. The service was carried out in accordance with the requirements, properly and on time.

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